It seems as if most UNIX and Linux users honestly believe that they are secure from day one of installation/purchase. This is simply not true. Any network connected system stands the risk of attack, and beyond that any data transfer from an outside source to a non-network machine is also a risk. Beyond that, there are always exploits than can be done from the physical location. Preventing these attacks is not always easy or convenient, but in an increasingly risky metaverse-like world it is necessary. After all, your entire existence is verified through a computer database somewhere.
Like get you in to do the setup?
The setup is easy as in windows